| Item Description | Grounding resistance MONITOR-FR-01321-R-R-INTELLIGENT lightning protection series indoor edition, with three pole measurement technology, combined with auxiliary electrodes to accurately collect grounding grid resistance values; Measurement accuracy 0.01 ω, measurement range 0.01-200 ω; Default RS485 communication; Support remote setting of testing time and frequency, combined with backend software and other sensors, CAN achieve changes in grounding grid resistance at different temperatures, humidity, seasons, soil resistivity, soil density, etc; Multiple communication methods to choose from |